1. a person who is employed to collect payments (as for rent or taxes)

Similar word(s): collector, gatherer

Definition categories: person, worker

2. a voltaic battery that stores electric charge

Definition categories: man–made

3. (computer science) a register that has a built-in adder that adds an input number to the contents of the register

Definition categories: man–made, register

Sentences with accumulator as a noun:

- He is a great accumulator of bad jokes.

- Looks like it's time to recharge the accumulator again.